Home / 766,674.53-1,058,015.01-439,961.52

Finding the Fourth Proportional to 766,674.53, 1,058,015.01 and 439,961.52

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Solution

The fourth proportional to 766,674.53, 1,058,015.01 and 439,961.52 is: 607,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,674.53 : 1,058,015.01 = 439,961.52 : x
  2. Step 2: Convert to fraction form
    766,674.53/1,058,015.01 = 439,961.52/x
  3. Step 3: Cross multiply
    766,674.53x = 1,058,015.01 × 439,961.52
  4. Step 4: Simplify right side
    766,674.53x = 465,485,897,599.83
  5. Step 5: Solve for x
    x = 465,485,897,599.83/766,674.53
  6. Step 6: Final answer
    x = 607,149.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.